EUVD-2026-31488

Devise is an authentication solution for Rails based on Warden. In versions 5.0.3 and below, when the Timeoutable module is enabled in Devise, the FailureAppredirecturl method returns request.referrer — the HTTP Referer header, which is attacker-controllable — without validation for any non-GET...

Open Redirect

Overview devise is a flexible authentication solution for Rails with Warden. Affected versions of this package are vulnerable to Open Redirect in the FailureAppredirecturl method when handling non-GET requests after a session timeout. An attacker can cause users to be redirected to arbitrary...